Q: Why my Lumia 640 Dual SIM (RM-1077) driver doesn't work after I install the new driver? 1. Please identify the driver version that you download is match to your OS platform. 2. You should uninstall original driver before install the downloaded one.
Windows Vista and Windows 7 users need to run the setup files as administrator (Right click on the file and then "Run as administrator"). If you miss this step the driver might not install correctly. 2. Once the setup is done, connect your device (Microsoft Lumia 640 Dual SIM)...
After installing this software on your Windows desktop you are on the go to solve various problems like connection, transfer or move files, other media data, Copy/paste data, Shuffle data between smartphone and windows.
Download Microsoft Lumia 640 xl dual sim (rm-1067) driver.